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This website is based on the design principle of accessibility and uses keyboard shortcuts to strengthen the browsing convenience.

Layout is divided in four areas; top-main area, midst-content area, right-selection area and bottom-related information area

Access key guided as below:
Alt+U：Links on the top area, there are covering all kinds of languages script and main items.
Alt+R： Right-sided linking zone in charge of the linking functions of the units.
Alt+C： Main content area shows the content of each page.
Alt+B： Links on the bottom cover information security policy, private policy and comment mailbox.
Alt+S：Search box in every page for searching this site.